The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2023
Filed:
Jun. 02, 2021
Applicant:
Iowa State University Research Foundation, Inc., Ames, IA (US);
Inventors:
Assignee:
IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC., Ames, IA (US);
Primary Examiner:
Int. Cl.
CPC ...
C05D 9/00 (2006.01); C05G 3/80 (2020.01);
U.S. Cl.
CPC ...
C05D 9/00 (2013.01); C05G 3/80 (2020.02);
Abstract
The present application relates to an iron impregnated biochar and its use as a fertilizer. The iron impregnated biochar of the present application has a ratio of iron (III) to iron (II) ranging from 5:1 to 10:1. The biochar may be produced by a method including treating the biomass with an iron (II) ion solution, pyrolyzing the iron (II)-treated biomass in an oxidative environment and recovering the biochar product from the pyrolyzed iron (II)-treated biomass.